CN102129896A - Composite jacket pillar insulator and processing method thereof - Google Patents
Composite jacket pillar insulator and processing method thereof Download PDFInfo
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- CN102129896A CN102129896A CN 201110091447 CN201110091447A CN102129896A CN 102129896 A CN102129896 A CN 102129896A CN 201110091447 CN201110091447 CN 201110091447 CN 201110091447 A CN201110091447 A CN 201110091447A CN 102129896 A CN102129896 A CN 102129896A
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Abstract
The invention provides a composite jacket pillar insulator and a processing method thereof, and mainly solves the problems that the conventional pillar insulator is easy to crack and bubble, and has high brittleness, poor toughness, poor dielectric strength and mechanical strength. In the composite jacket pillar insulator, a core body is formed by concentrically rolling a glass fiber cloth into a columnar blank, encapsulating epoxy resin glue in vacuum and curing, or is formed by uniformly arranging a plurality of strands of glass fiber yarns (or a plurality of strands of glass fiber tapes) into the columnar blank along the axial direction, encapsulating the epoxy resin glue in the vacuum and curing. The composite jacket pillar insulator is not layered, has no bubble, high toughness, high dielectric strength and mechanical strength, and high earthquake resistant capability, and is particularly suitable for high-voltage fields.
Description
Technical field
The present invention relates to post insulator and processing method thereof that the power transmission and transformation industry is used, be specifically related to a kind of composite sheath post insulator and processing method thereof.
Background technology
At present, the used post insulator of power transmission and transformation industry mainly contains full porcelain strut insulator, all-ceramic core rod composite sheath post insulator, hollow bushing composite sheath post insulator, be that the composite sheath post insulator and the drawing and extruding bar outside of plug rolls several structures such as composite sheath post insulator that epoxy resin-impregnated glue is plug with the epoxy glass fiber drawing and extruding bar.
Above structure all has many defectives and problem respectively from processes such as practical operating experiences and processing technology: full porcelain strut insulator Heavy Weight, poor toughness, brittle failure easily, and the dirty property of electrical insulation properties and resistant is poor; All-ceramic core rod composite sheath post insulator has only solved the problem of part electrical insulation properties and the dirty property of resistant difference, but Heavy Weight, poor toughness, problem such as brittle failure is not resolved yet easily, and the technique for sticking of composite sheath and porcelain rod neither be very perfect; The megohmite insulant of insulating gas or other liquid will be filled in inside when hollow bushing composite sheath post insulator used, and overflowing of the leakage of gas and filler makes the operation of this pillar exist potential safety hazard; With the epoxy glass fiber drawing and extruding bar be the composite sheath post insulator of plug owing to be subjected to the restriction of production technology, the major diameter core body is not easy moulding, exists cracking, rolls up mass defect such as gas, has influenced the dielectric strength and the mechanical strength of product; The drawing and extruding bar outside rolls the composite sheath post insulator that epoxy resin-impregnated glue is plug, and still there are mass defects such as cracking, volume gas in its plug, has influenced the dielectric strength and the mechanical strength of product, and especially in the high voltage field, above problem is more outstanding.
Summary of the invention
The invention provides a kind of composite sheath post insulator and processing method thereof, mainly solved the problem that existing post insulator is easy to crack, roll up gas, dielectric strength and bad mechanical strength.
Concrete technical scheme of the present invention is as follows:
This composite sheath post insulator, comprise core body, end coupling and composite sheath, described core body is rolled to the column base substrate by the glass fabric concentric after vacuum encapsulation epoxy resin adhesive liquid and solidifying forms, or by multiply glass fiber yarn (multiply glass fiber tape also can) evenly arranged along the axial for the column base substrate after vacuum encapsulation epoxy resin adhesive liquid and solidifying form, whole column base substrate fiber axially and radial distribution even.
Above-mentioned core body also can by in glass fabric, multiply glass fiber yarn and the multiply glass fiber tape any two or three evenly arranged along the axial for the column base substrate after vacuum encapsulation epoxy resin adhesive liquid and solidify form.
Above-mentioned core body axial centre also can be provided with plug, and plug is generally selected insulating rods such as vacuum-latexed rod, glass fibre drawing and extruding bar or rubber bar.
Above-mentioned glass fabric is good with the electrician with alkali-free glass fiber cloth, and glass fabric is generally radially used alkali-free glass fiber cloth more than the electrician of broadwise with selection, also can adopt the electrician not have latitude cloth with alkali-free glass fibre; Glass fiber yarn is used the non-twist glass fiber yarn of alkali-free with the electrician; Glass fiber tape is good with the electrician with the alkali-free glass fibre band.
Above-mentioned composite sheath is by the silicon rubber vulcanization moulding; Silicon rubber can be selected firm silicone rubber or liquid silastic.
The processing method of this composite sheath post insulator may further comprise the steps:
1] preparation base substrate: with the mould of packing into behind the column base substrate that is arranged as of glass fabric; Axial and the radial distribution of whole column base substrate fiber is even;
2] preparation glue: after fully stirring in a vacuum after epoxy resin, phthalic anhydride, flexibilizer and the catalyst mix, obtain epoxy resin adhesive liquid;
3] vacuum-latexed: 3.1] mould of the base substrate of packing in the step 1 vacuumized handle the back mould drying; 3.2] mould drying injects the base substrate of progressive die tool in a vacuum with the epoxy resin adhesive liquid of step 2 preparation after finishing;
4] solidify: will carry out pressurize through the mould that step 3 is finished dealing with and solidify, the demoulding obtained core body after curing was finished;
5] core body processing: will be processed as required physical dimension through the core body that step 4 is solidified after finishing;
6] sulfuration: the core surface coated with coupling agent after cure composite sheath that will machine through step 5;
7] mucilage binding: to the composite sheath core body end mucilage binding end coupling of handling through step 6, product machines.
In the above-described step 1 preparation base substrate, the column base substrate is that glass fabric or glass fiber yarn or glass fiber tape are arranged as the column base substrate uniformly, whole column base substrate fiber axially and radial distribution even.
Above-described column base substrate is that the axle center rolls and is the column base substrate with the plug by glass fabric, or to be that the axle center is evenly arranged along the axial with the plug by multiply glass fiber yarn or multiply glass fiber tape be the column base substrate.
Above-described step 4 obtains behind the core body core body being heat-treated in solidifying, and eliminates the thermal stress of core body.
In the above-described step 2 preparation glue, stirring condition is good with vacuum degree greater than 0.08Mpa, and reaction temperature is 10～50 ℃, is good with 25～35 ℃; Mixing time is greater than 30min; In step 3 vacuum-latexed, the vacuum degree that mould vacuumizes processing is being good greater than 0.08Mpa.
Advantage of the present invention is as follows:
In the composite sheath post insulator processing method provided by the invention, carried out vacuumizing processing during base substrate, also in vacuum environment, carried out at impregnation simultaneously, made inner no layering of core body and bubble like this, good compactness in preparation.
In the whole column base substrate of composite sheath post insulator provided by the invention, the axial and radial distribution of glass fibre is even, the toughness height, and dielectric strength and mechanical strength height, anti-seismic performance is good, is particularly useful for the high voltage field.
Description of drawings
Fig. 1 is the present invention's one structural representation;
Fig. 2 is another structural representation of the present invention.
Embodiment
This composite sheath post insulator, comprise core body, end coupling and composite sheath, core body is rolled to the column base substrate by the glass fabric concentric after vacuum encapsulation epoxy resin adhesive liquid and solidifying forms, or by multiply glass fiber yarn (multiply glass fiber tape also can) evenly arranged along the axial for the column base substrate after vacuum encapsulation epoxy resin adhesive liquid and solidifying form, whole column base substrate fiber axially and radial distribution even; Core body also can by in glass fabric, multiply glass fiber yarn and the multiply glass fiber tape any two or three evenly arranged along the axial for the column base substrate after vacuum encapsulation epoxy resin adhesive liquid and solidify form.
The core body axial centre also can be provided with plug, and plug is generally selected insulating rods such as vacuum-latexed rod, glass fibre drawing and extruding bar or rubber bar.
Glass fabric is good with the electrician with alkali-free glass fiber cloth, and glass fabric is generally radially used alkali-free glass fiber cloth more than the electrician of broadwise with selection, also can adopt the electrician not have latitude cloth with alkali-free glass fibre; Glass fiber yarn is used the non-twist glass fiber yarn of alkali-free with the electrician; Glass fiber tape is good with the electrician with the alkali-free glass fibre band.Composite sheath is by the silicon rubber vulcanization moulding; Silicon rubber can be selected firm silicone rubber or liquid silastic.
Core body is processed as required physical dimension, and then at its surface-coated coupling agent, the sulfuration composite sheath carries out finishing after sulfuration is finished; At composite sheath core body end mucilage binding end coupling, product machined after modification was finished.
Glass fabric is for being good with alkali-free glass fiber cloth, and glass fabric is good more than the glass fabric of broadwise radially with selection generally, also can adopt glass fibre not have latitude cloth; Glass fiber yarn is used the non-twist glass fiber yarn of alkali-free with the electrician; Glass fiber tape is good with the electrician with the alkali-free glass fibre band.Composite sheath is by the silicon rubber vulcanization moulding; Silicon rubber can be selected firm silicone rubber or liquid silastic.
Below in conjunction with specific embodiment the present invention is described in detail:
As shown in Figure 1, this composite sheath post insulator, comprise core body 1, end coupling 3 and composite sheath 2, core body 1 is rolled to the column base substrate by the glass fabric concentric after vacuum encapsulation epoxy resin adhesive liquid and solidifying forms, or by the multiply glass fiber yarn evenly arranged along the axial for the column base substrate after vacuum encapsulation epoxy resin adhesive liquid and solidify form, or by the multiply glass fiber tape evenly arranged along the axial for the column base substrate after vacuum encapsulation epoxy resin adhesive liquid and solidify forms, the center does not have solid support things such as barred body.
Core body is processed as required physical dimension, and then at its surface-coated coupling agent, the sulfuration composite sheath carries out finishing after sulfuration is finished; At composite sheath core body end mucilage binding end coupling, product machined after modification was finished.
The processing method of this composite sheath post insulator may further comprise the steps:
1] preparation base substrate: with the mould of packing into behind the column base substrate that is arranged as of glass fabric; Axial and the radial distribution of whole column base substrate fiber is even;
2] preparation glue: after fully stirring in a vacuum after epoxy resin, phthalic anhydride, flexibilizer and the catalyst mix, obtain epoxy resin adhesive liquid;
3] vacuum-latexed: 3.1] mould of the base substrate of packing in the step 1 vacuumized handle the back mould drying; 3.2] mould drying injects the base substrate of progressive die tool in a vacuum with the epoxy resin adhesive liquid of step 2 preparation after finishing;
4] solidify: will carry out pressurize through the mould that step 3 is finished dealing with and solidify, the demoulding obtained core body after curing was finished;
5] core body processing: will be processed as required physical dimension through the core body that step 4 is solidified after finishing;
6] sulfuration: the core surface coated with coupling agent after cure composite sheath that will machine through step 5;
7] mucilage binding: to the composite sheath core body end mucilage binding end coupling of handling through step 6, product machines, and step 7 also can be carried out before step 6.
As shown in Figure 2, this composite sheath post insulator, comprise core body 1, end coupling 4 and composite sheath 3, core body 1 is to be that the axle center rolls into the column base substrate after vacuum encapsulation epoxy resin adhesive liquid and solidify forms with glass fibre drawing and extruding bar 2 by glass fabric, or by multiply glass fiber yarn (multiply glass fiber tape also can) along glass fibre drawing and extruding bar 2 axially evenly distributed for the column base substrate after vacuum encapsulation epoxy resin adhesive liquid and solidifying form, what epoxy resin and glass fibre mixed in its cross section is very even, be frozen into an integral body, no layering and slit.
Core body is processed as required physical dimension, and then at its surface-coated coupling agent, the sulfuration composite sheath carries out finishing after sulfuration is finished; At composite sheath core body end mucilage binding end coupling, product machined after modification was finished.
Its processing method is identical with embodiment 1, but in the course of processing, can utilize other hard barred bodies such as metal bar as plug earlier, and once curing is completed with its extraction, reinject epoxide-resin glue or liquid glue are filled.
As shown in Figure 2, this composite sheath post insulator comprises core body 1, end coupling 4 and composite sheath 3, and core body 1 is to be that the axle center rolls into the column base substrate after vacuum encapsulation epoxy resin adhesive liquid and solidify forms with vacuum-latexed rod 2 by glass fabric; Or by multiply glass fiber yarn (multiply glass fiber tape also can) along vacuum-latexed rod 2 axially evenly distributed for the column base substrate after vacuum encapsulation epoxy resin adhesive liquid and solidifying form, what epoxy resin and glass fibre mixed in its cross section is very even, be frozen into an integral body, no layering and slit.
Core body is processed as required physical dimension, and then at its surface-coated coupling agent, the sulfuration composite sheath carries out finishing after sulfuration is finished; At composite sheath core body end mucilage binding end coupling, product machined after modification was finished.Its processing method is identical with embodiment 1.
Claims (10)
1. composite sheath post insulator, comprise core body, end coupling and composite sheath, it is characterized in that: described core body is rolled to the column base substrate by the glass fabric concentric after vacuum encapsulation epoxy resin adhesive liquid and solidifying forms, or by the multiply glass fiber yarn evenly arranged along the axial for the column base substrate after vacuum encapsulation epoxy resin adhesive liquid and solidify form, or by the multiply glass fiber tape evenly arranged along the axial for the column base substrate after vacuum encapsulation epoxy resin adhesive liquid and solidifying form.
2. composite sheath post insulator according to claim 1 is characterized in that: described core body by in glass fabric, multiply glass fiber yarn and the multiply glass fiber tape any two or three evenly arranged along the axial for the column base substrate after vacuum encapsulation epoxy resin adhesive liquid and solidify form.
3. composite sheath post insulator according to claim 1 and 2 is characterized in that: described core body axial centre is provided with plug.
4. composite sheath post insulator according to claim 3 is characterized in that: described plug is vacuum-latexed rod, glass fibre drawing and extruding bar or rubber bar.
5. composite sheath post insulator according to claim 4, it is characterized in that: described glass fabric is used alkali-free glass fiber cloth for the electrician, described glass fiber yarn is used the non-twist glass fiber yarn of alkali-free for the electrician, and described glass fiber tape is that the electrician uses the alkali-free glass fibre band.
6. composite sheath post insulator according to claim 5 is characterized in that: described composite sheath is the silicon rubber vulcanization moulding; Described silicon rubber is firm silicone rubber or liquid silastic.
7. the processing method of a composite sheath post insulator is characterized in that, may further comprise the steps:
1] preparation base substrate:
The mould of packing into behind the column base substrate that is arranged as with glass fabric;
2] preparation glue: after fully stirring in a vacuum after epoxy resin, phthalic anhydride, flexibilizer and the catalyst mix, obtain epoxy resin adhesive liquid;
3] vacuum-latexed: 3.1] mould of the base substrate of packing in the step 1 vacuumized handle the back mould drying; 3.2] mould drying injects the base substrate of progressive die tool in a vacuum with the epoxy resin adhesive liquid of step 2 preparation after finishing;
4] solidify: will carry out pressurize through the mould that step 3 is finished dealing with and solidify, the demoulding obtained core body after curing was finished;
5] core body processing: will be processed as required physical dimension through the core body that step 4 is solidified after finishing;
6] sulfuration: the core surface coated with coupling agent after cure composite sheath that will machine through step 5;
7] mucilage binding: to the composite sheath core body end mucilage binding end coupling of handling through step 6, product machines.
8. the processing method of composite sheath post insulator according to claim 7, it is characterized in that: in the described step 1 preparation base substrate, the column base substrate is that glass fabric or glass fiber yarn or glass fiber tape are arranged as the column base substrate uniformly, whole column base substrate fiber axially and radial distribution even.
9. the processing method of composite sheath post insulator according to claim 8, it is characterized in that: described column base substrate is that the axle center rolls and is the column base substrate with the plug by glass fabric, or to be that the axle center is evenly arranged along the axial with the plug by multiply glass fiber yarn or multiply glass fiber tape be the column base substrate.
10. the processing method of composite sheath post insulator according to claim 9 is characterized in that: in the described step 2 preparation glue, stirring condition be vacuum degree greater than 0.08Mpa, reaction temperature is 10～50 ℃, mixing time is greater than 30min; In described step 3 vacuum-latexed, mould vacuumizes the vacuum degree of processing greater than 0.08Mpa; Described step 4 obtains behind the core body core body being heat-treated in solidifying, and eliminates the thermal stress of core body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110091447A CN102129896B (en) | 2011-04-13 | 2011-04-13 | Processing method of composite jacket pillar insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110091447A CN102129896B (en) | 2011-04-13 | 2011-04-13 | Processing method of composite jacket pillar insulator |
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| CN102129896A true CN102129896A (en) | 2011-07-20 |
| CN102129896B CN102129896B (en) | 2012-09-05 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364615A (en) * | 2011-11-11 | 2012-02-29 | 武汉理工大学 | Method for manufacturing variable-diameter conical composite insulator core pipe |
| CN104299731A (en) * | 2014-11-04 | 2015-01-21 | 华北电力大学（保定） | Strut type hollow composite insulator and manufacturing technology thereof |
| CN105214848A (en) * | 2015-10-26 | 2016-01-06 | 吴正中 | A kind of wet type electricity scrubbing girder |
| CN106531378A (en) * | 2016-12-12 | 2017-03-22 | 北京玻钢院复合材料有限公司 | Manufacturing method for solid-state cylinder |
| CN107887088A (en) * | 2017-11-30 | 2018-04-06 | 江苏神马电力股份有限公司 | The preparation method and support insulator of a kind of support insulator |
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| CN201725645U (en) * | 2010-04-06 | 2011-01-26 | 南通市神马电力科技有限公司 | Composite hollow insulator |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102364615A (en) * | 2011-11-11 | 2012-02-29 | 武汉理工大学 | Method for manufacturing variable-diameter conical composite insulator core pipe |
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| CN104299731A (en) * | 2014-11-04 | 2015-01-21 | 华北电力大学（保定） | Strut type hollow composite insulator and manufacturing technology thereof |
| CN105214848A (en) * | 2015-10-26 | 2016-01-06 | 吴正中 | A kind of wet type electricity scrubbing girder |
| CN106531378A (en) * | 2016-12-12 | 2017-03-22 | 北京玻钢院复合材料有限公司 | Manufacturing method for solid-state cylinder |
| CN106531378B (en) * | 2016-12-12 | 2018-05-25 | 北京玻钢院复合材料有限公司 | The manufacturing method of solid cylinder |
| CN107887088A (en) * | 2017-11-30 | 2018-04-06 | 江苏神马电力股份有限公司 | The preparation method and support insulator of a kind of support insulator |
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| CN102129896B (en) | 2012-09-05 |
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